998297425

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{1097}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 1256002200

約数和(自身を除く): 257704775

約数列:

[1, 5, 25, 89, 409, 445, 1097, 2045, 2225, 5485, 10225, 27425, 36401, 97633, 182005, 448673, 488165, 910025, 2243365, 2440825, 11216825, 39931897, 199659485, 998297425]

約数ペア:

[(1, 998297425), (5, 199659485), (25, 39931897), (89, 11216825), (409, 2440825), (445, 2243365), (1097, 910025), (2045, 488165), (2225, 448673), (5485, 182005), (10225, 97633), (27425, 36401)]